Question: what is physical phenomenon  name starts with s
Paraphrase: what is physical marvel title begins with s
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q1293220 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 's')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: synchronization of pendulum clocks, synchronization of pendulum clocks, Schwinger effect, Schwinger effect, shear lag, shear lag, Shock, Shock, snowpack, snowpack, superconductivity, superconductivity, sonoluminescence, sonoluminescence, surface tension, surface tension, Sisyphus cooling, Sisyphus cooling, segregation, segregation, Stark effect, Stark effect, shadow bands, shadow bands, skin effect, skin effect, Sporadic E propagation, Sporadic E propagation, Shubnikov–de Haas effect, Shubnikov–de Haas effect, Sachs–Wolfe effect, Sachs–Wolfe effect, Saarloos wolfdog, Saarloos wolfdog